diff --git a/Gemfile.lock b/Gemfile.lock
old mode 100755
new mode 100644
index 851b120..a46d841
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,6 +70,7 @@ GEM
       sshkit (~> 1.3)
     colorize (0.8.1)
     concurrent-ruby (1.0.2)
+    crass (1.0.6)
     database_cleaner (1.5.3)
     diff-lcs (1.2.5)
     erubis (2.7.0)
@@ -98,7 +99,8 @@ GEM
       actionpack (>= 4, < 5.1)
       activesupport (>= 4, < 5.1)
       railties (>= 4, < 5.1)
-    loofah (2.0.3)
+    loofah (2.4.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
@@ -113,11 +115,9 @@ GEM
     net-ssh (3.2.0)
     newrelic_rpm (3.16.3.323)
     nio4r (1.2.1)
-    nokogiri (1.6.8)
+    nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
-      pkg-config (~> 1.1.7)
     pg (0.18.4)
-    pkg-config (1.1.7)
     rack (2.0.1)
     rack-cors (0.4.0)
     rack-test (0.6.3)
@@ -137,8 +137,8 @@ GEM
     rails-dom-testing (2.0.1)
       activesupport (>= 4.2.0, < 6.0)
       nokogiri (~> 1.6.0)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     railties (5.0.0)
       actionpack (= 5.0.0)
       activesupport (= 5.0.0)